CVE-2011-2212

CVE-2011-2212 is a high-severity vulnerability in Qemu with a CVSS 2.0 base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service (guest crash) or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."

Frequently asked questions

What is CVE-2011-2212?
Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service (guest crash) or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."
How severe is CVE-2011-2212?
CVE-2011-2212 has a CVSS 2.0 base score of 7.4, rated high severity.
Is CVE-2011-2212 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2212?
CVE-2011-2212 primarily affects Qemu. In total, 60 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2212?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-2212 published?
CVE-2011-2212 was published on 2012-06-21 and last updated on 2026-06-16.

References

Affected products (60)

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